12442031 has 6 divisors (see below), whose sum is σ = 14473440. Its totient is φ = 10664556.

The previous prime is 12442021. The next prime is 12442033. The reversal of 12442031 is 13024421.

It is a de Polignac number, because none of the positive numbers 2^k-12442031 is a prime.

It is a super-2 number, since 2×12442031² = 309608270809922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126911 + ... + 127008.

It is an arithmetic number, because the mean of its divisors is an integer number (2412240).

Almost surely, 2^12442031 is an apocalyptic number.

12442031 is a deficient number, since it is larger than the sum of its proper divisors (2031409).

12442031 is an equidigital number, since it uses as much as digits as its factorization.

12442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253933 (or 253926 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12442031 is about 3527.3263245694. The cubic root of 12442031 is about 231.7201279813.

Adding to 12442031 its reverse (13024421), we get a palindrome (25466452).

The spelling of 12442031 in words is "twelve million, four hundred forty-two thousand, thirty-one".